//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldRotateCountsStoreWhenRotatingLog() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldRotateCountsStoreWhenRotatingLog()
{
// GIVEN
GraphDatabaseAPI db = ( GraphDatabaseAPI )_dbBuilder.newGraphDatabase();
// WHEN doing a transaction (actually two, the label-mini-tx also counts)
using (Transaction tx = Db.beginTx())
{
Db.createNode(_b);
tx.Success();
}
// and rotating the log (which implies flushing)
CheckPoint(db);
// and creating another node after it
using (Transaction tx = Db.beginTx())
{
Db.createNode(_c);
tx.Success();
}
// THEN
assertTrue(_fs.fileExists(AlphaStoreFile()));
assertTrue(_fs.fileExists(BetaStoreFile()));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.io.pagecache.PageCache pageCache = db.getDependencyResolver().resolveDependency(org.neo4j.io.pagecache.PageCache.class);
PageCache pageCache = Db.DependencyResolver.resolveDependency(typeof(PageCache));
using (Lifespan life = new Lifespan())
{
CountsTracker store = life.Add(CreateCountsTracker(pageCache));
// NOTE since the rotation happens before the second transaction is committed we do not see those changes
// in the stats
// a transaction for creating the label and a transaction for the node
assertEquals(BASE_TX_ID + 1 + 1, store.TxId());
assertEquals(INITIAL_MINOR_VERSION, store.MinorVersion());
// one for all nodes and one for the created "B" label
assertEquals(1 + 1, store.TotalEntriesStored());
assertEquals(1 + 1, AllRecords(store).Count);
}
// on the other hand the tracker should read the correct value by merging data on disk and data in memory
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final CountsTracker tracker = db.getDependencyResolver().resolveDependency(org.neo4j.kernel.impl.storageengine.impl.recordstorage.RecordStorageEngine.class).testAccessNeoStores().getCounts();
CountsTracker tracker = Db.DependencyResolver.resolveDependency(typeof(RecordStorageEngine)).testAccessNeoStores().Counts;
assertEquals(1 + 1, tracker.NodeCount(-1, newDoubleLongRegister()).readSecond());
int labelId;
using (Transaction tx = Db.beginTx())
{
KernelTransaction transaction = Db.DependencyResolver.resolveDependency(typeof(ThreadToStatementContextBridge)).getKernelTransactionBoundToThisThread(true);
labelId = transaction.TokenRead().nodeLabel(_c.name());
}
assertEquals(1, tracker.NodeCount(labelId, newDoubleLongRegister()).readSecond());
Db.shutdown();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test @Resources.Life(STARTED) public void shouldSupportTransactionsAppliedOutOfOrderOnRotation() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldSupportTransactionsAppliedOutOfOrderOnRotation()
{
// given
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final CountsTracker tracker = resourceManager.managed(newTracker());
CountsTracker tracker = ResourceManager.managed(NewTracker());
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_Updater tx = tracker.Apply(2).get())
{
tx.IncrementNodeCount(1, 1);
}
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_Updater tx = tracker.Apply(4).get())
{
tx.IncrementNodeCount(1, 1);
}
// when
Future <long> rotated = Threading.executeAndAwait(new Rotation(2), tracker, thread =>
{
switch (thread.State)
{
case BLOCKED:
case WAITING:
case TIMED_WAITING:
case TERMINATED:
return(true);
default:
return(false);
}
}, 10, SECONDS);
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_Updater tx = tracker.Apply(5).get())
{
tx.IncrementNodeCount(1, 1);
}
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_Updater tx = tracker.Apply(3).get())
{
tx.IncrementNodeCount(1, 1);
}
// then
assertEquals("rotated transaction", 4, rotated.get().longValue());
assertEquals("stored transaction", 4, tracker.TxId());
// the value in memory
assertEquals("count", 4, tracker.NodeCount(1, Registers.newDoubleLongRegister()).readSecond());
// the value in the store
CountsVisitor visitor = mock(typeof(CountsVisitor));
tracker.VisitFile(tracker.CurrentFile(), visitor);
verify(visitor).visitNodeCount(1, 3);
verifyNoMoreInteractions(visitor);
assertEquals("final rotation", 5, tracker.Rotate(5));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void allowNonDirtyInMemoryDirtyVersionRead()
public virtual void AllowNonDirtyInMemoryDirtyVersionRead()
{
int labelId = 1;
long lastClosedTransactionId = 15L;
long writeTransactionId = 13L;
TransactionVersionContextSupplier versionContextSupplier = new TransactionVersionContextSupplier();
versionContextSupplier.Init(() => lastClosedTransactionId);
VersionContext versionContext = versionContextSupplier.VersionContext;
using (Lifespan life = new Lifespan())
{
CountsTracker tracker = life.Add(NewTracker(versionContextSupplier));
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_Updater updater = tracker.Apply(writeTransactionId).get())
{
updater.IncrementNodeCount(labelId, 1);
}
versionContext.InitRead();
tracker.NodeCount(labelId, Registers.newDoubleLongRegister());
assertFalse(versionContext.Dirty);
}
}
